08-29-2013, 01:44 PM
Nice try Bullwinkle, but radon doesn't settle out of the atmosphere any more than CO2 or any other gas does... and I was referring to radon daughter products, not radon. The radon daughter products are not gases; they electrostatically attach themselves to smoke or dust particles in the air; those particles preferentially impact and stick to lung tissue at certain locations in the lungs. Once stuck to the lung tissue, they continue to decay and irradiate the tissues in those preferred locations with alpha and beta emissions. The radon gas doesn't spend sufficient time in the lung, compared to its half life, to produce significant damage.